prjtrellis: no longer build Python library for mingw32
prjtrellis: no longer build Python library for mingw32

The memory footprint of cc1plus during compilation is too large.

fabiangreffrath/MINGW-packages,oscarfv/MINGW-packages,JPeterMugaas/MINGW-packages,fabiangreffrath/MINGW-packages,lhmouse/MINGW-packages,oscarfv/MINGW-packages,oroppas/MINGW-packages,stahta01/MINGW-packages,oscarfv/MINGW-packages,fabiangreffrath/MINGW-packages,JPeterMugaas/MINGW-packages,lhmouse/MINGW-packages,fabiangreffrath/MINGW-packages,stahta01/MINGW-packages,oscarfv/MINGW-packages,stahta01/MINGW-packages,oroppas/MINGW-packages,JPeterMugaas/MINGW-packages,stahta01/MINGW-packages,JPeterMugaas/MINGW-packages,fabiangreffrath/MINGW-packages,lhmouse/MINGW-packages,oscarfv/MINGW-packages,oscarfv/MINGW-packages,lhmouse/MINGW-packages,JPeterMugaas/MINGW-packages,lhmouse/MINGW-packages,oroppas/MINGW-packages,oroppas/MINGW-packages,JPeterMugaas/MINGW-packages,oroppas/MINGW-packages,oroppas/MINGW-packages,stahta01/MINGW-packages,lhmouse/MINGW-packages,stahta01/MINGW-packages,fabiangreffrath/MINGW-packages